PM2.5 Is not Responsible for All Ying Lu Xiaoman Xu Air Quality - PowerPoint PPT Presentation

PM2.5 Is not Responsible for All Ying Lu Xiaoman Xu

Air Quality Index PM 2.5 PM 10 CO NO 2 O 3 SO 2

Is PM2.5 Responsible for all?

Is PM2.5 Responsible for all? PM2.5 is not always the main factor of air pollution. Other pollutants might take the lead instead. Season can also be a factor, affecting the concentration of the pollutants in different times.

AQI for Beijing Nov 2013 - Dec 2015. AQI for Shanghai Nov 2013 - Dec 2015.

Beijing PM 2.5 Concentration – Air Quality ( μ g/m3) Shanghai PM 2.5 Concentration – Air Quality ( μ g/m3)

Beijing AQI by seasons. Shanghai AQI by seasons.

Conclusion PM2.5 is not always the main factor of air pollution. Other pollutants might take the lead instead. The air quality is the worst in winter.